As part of your preparation, work on adopting the proper mindset/attitude on test day. This will do wonders for your score.
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Comment on Exponential Growth
On the fourth reinforcement
Question link: https:/
Question link: https://gre.myprepclub.com/forum/x-9336.html
Be careful, the base (x) is NOT positive.
If -(x³) = 64, then we can also conclude that x³ = -64
If x³ = -64, then it must be the case that x = -4
Does that help?
Cheers,
Brent